Output

Describe the four categories of output

List the two monitor types Explain how monitors are connected

to computers Explain the different digital TV

formats List the different types of printers Explain why printer media must be

used on the correct printers.

List other types of output devices. List output options for physically

challenged individuals.

Output is data that has been processed into a useful form, called information

video

audio

textgraphics

An output device is any component that can convey information to the user.

CRT Monitor Flat Panel

The standard connection for a CRT or Flat Panel monitor is a 15 pin connector.

It is connected into the 15 pin video port on the PC.

An expansion card added to a PC to improve the video output.

15 pin monitor port

S-video port

DVI port

There are three digital TV formats 480p digital format that has a resolution of 480 X

720 lines of resolution, same as standard TV 720p is a HDTV signal with 720 X 1280 lines of

resolution. Most broadcaster use this resolution 1080p is termed complete HDTV with 1080 X

1920 lines of resolution, used in Blue Ray and X-Box systems.

Aspect ration refers to the width and height of the picture created.

Standard TV has an aspect ration of 4:3

HDTV has an aspect ration of 16:9

Printers are device that produces text and graphics on printer media.

Result is hard copy, or printout

Impact printer that produces printed images when tiny wire pins strike ribbon

Known as dot-matrix

A printer forms characters and graphics without striking paper

Two major types◦ Inkjets◦ Laser printers

Sprays tiny drops of liquid ink onto paper This is a cold process

Uses toner to create the image This is a hot process

Specific types of media for specific types of printers

Plane paper Coated paper Photographic paper Transparencies Misc

Generates images by pushing electrically heated pins against heat-sensitive paper

One specific type of thermal printer is the label printer

Uses heat to transfer dye to specially coated paper

Used to create high quality photographs

Sophisticated printer used to produce high-quality drawings

Large-format creates photo-realistic-qualitycolor prints

Device that transmits and receives documents over telephone lines

Provides functionality of printer, scanner, copy machine, and fax machine

Device that takes image from computer screen and projects it onto larger screen

Magnifier programs for the desktop Windows settings to increase readability Voice and brail output